580 



Fishery Bulletin 90(3). 1992 



Figure 7 



Umbrina dorsalis. 236mmSL, SID 62-705. 



J^^" 



Figure 8 



Umbrina galapagorum. 273minSL, SIO 79-51. 



Umbrina dorsalis Gill 

 Figure 7 



Synonymy 



Umbrina dorsalis Gill 1862:257 (original description: 

 syntypes USNM 3696, Cabo San Lucas, Baja Califor- 

 nia Sur; lectotype USNM 3696 (77 mm), herein 

 designated; paralectotypes USNM 316654 [removed 

 from USNM 3696]). 



Diagnosis An intermediate-sized species of Umbrina 

 (max. length 332 mm) characterized by the following: 

 inside gill cover and peritoneum pale to lightly punc- 

 tate; soft dorsal fin rays usually 30-32; soft anal rays 

 usually 7; pectoral rays usually 16-17; procurrent 



caudal rays usually 7-8 + 6-7; dorsal spines X + l; gill 

 rakers usually 19-21; vertebrae 10 + 16; barbel rela- 

 tively long and thick; length of second anal spine, 

 X 15% SL; body depth, i 38%; eye length, x 8%; upper 

 jaw length, x 13%; pectoral fin length, x 21%. 



Description Counts and measurements are given in 

 Tables 1-6. Soft rays of second dorsal fin 28-33; soft 

 anal rays 7-8; pectoral rays 15-17; gill rakers 18-25; 

 eye relatively large, proportionately smaller in larger 

 specimens, generally greater than snout length; upper 

 jaw long; body and caudal peduncle deep; barbel fully 

 developed by 75 mm, bulbous between 30 and 65 mm; 

 lateral line scales 49-54, x 51.73, SE 0.15; virtually 

 all brown stripes present by 75mm, no stripes on speci- 



